22:00Alison ButterworthNational Hearing Voices NetworkBBC Radio Lancashire Duration: 3 hours Wed 16th Jul 2014, 22:00 on BBC Radio ManchesterAlison speaks to a teenager who has endured three years of suffering, hearing voices in his head but has set up a support group, the National Hearing Voices Network.GenresEntertainmentBrandAlison Butterworth Source: BBC Online